Professional
A collection of product design work. Also includes guides, research, and articles for those in technology.

About My Book
We Need to Talk is a tactical, non-prescriptive guide to navigating and surviving hard conversations at work. It's built around non-violent communication and psychological safety. It offers a research-backed, battle-tested, flexible toolkit that you can tailor to your situation without losing your authenticity. Here are a few situations this book covers:
- Dealing with lying and gaslighting
- Giving feedback to your boss
- Resolving conflicts on remote teams
- Navigating cultural differences effectively and respectfully
- Responding when you don't have time to prepare
Artifacts #
- Design Portfolio
- Case studies of a human-centered design leader with 15+ years creating award-winning UX for iOS, Android, and web.
- Links
- Links, templates, and reference material for designers.
- Philosophy
- What underpins everything I do as a designer and leader.
- Process
- How I design.
- Rosenfeld Webring
- Webring for Rosenfeld authors.
- Tools for Designers & Leaders
- A collection of articles and guides for designers, product managers, leaders and workshop facilitators.
Services #
- Lost Horse Labs
- I founded a digital design agency focused on human-centered design and sustainability.
- Workshops & Speaking
- I empower your team to navigate hard conversations with clarity, calm, and courage—without burning out.